<template>
  <div class="todo-header">
    <input type="text" placeholder="请输入你的任务名称，按回车键确认" @input.enter="handlerTodoAdd" v-model="title" />
  </div>
</template>

<script>
  import { nanoid } from 'nanoid'
  export default {
    name:'Header',
    props:['addTodo'],
    data() {
      return {
        title:''
      }
    },
    methods: {
      handlerTodoAdd(){
        if (!this.title.trim()) return
        const value= {id:nanoid(),title:this.title,done:false}
        this.addTodo(value)
        this.title=''
      }
    },
  }
</script>

<style scoped>
  /*header*/
.todo-header input {
  width: 560px;
  height: 28px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 4px 7px;
}
.todo-header input:focus {
  outline: none;
  border-color: rgba(82, 168, 236, 0.8);
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(82, 168, 236, 0.6);
}

</style>